WO2010044522A3 - Apparatus and method for transmission of dynamic feedback channel information in a mimo system - Google Patents

Apparatus and method for transmission of dynamic feedback channel information in a mimo system Download PDF

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Publication number
WO2010044522A3
WO2010044522A3 PCT/KR2009/002148 KR2009002148W WO2010044522A3 WO 2010044522 A3 WO2010044522 A3 WO 2010044522A3 KR 2009002148 W KR2009002148 W KR 2009002148W WO 2010044522 A3 WO2010044522 A3 WO 2010044522A3
Authority
WO
WIPO (PCT)
Prior art keywords
receiving terminal
transmission
state information
channel state
unit
Prior art date
Application number
PCT/KR2009/002148
Other languages
French (fr)
Other versions
WO2010044522A2 (en
Inventor
Sung Jin Kim
Kwang Bok Lee
Chang Soon Park
Ill Soo Sohn
Original Assignee
Samsung Electronics Co., Ltd.
Snu R&Db Foundation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to KR10-2008-0100077 priority Critical
Priority to KR1020080100077A priority patent/KR101430981B1/en
Application filed by Samsung Electronics Co., Ltd., Snu R&Db Foundation filed Critical Samsung Electronics Co., Ltd.
Publication of WO2010044522A2 publication Critical patent/WO2010044522A2/en
Publication of WO2010044522A3 publication Critical patent/WO2010044522A3/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/08Wireless resource allocation where an allocation plan is defined based on quality criteria
    • H04W72/085Wireless resource allocation where an allocation plan is defined based on quality criteria using measured or perceived quality
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/0406Wireless resource allocation involving control information exchange between nodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation where an allocation plan is defined based on the type of the allocated resource
    • H04W72/046Wireless resource allocation where an allocation plan is defined based on the type of the allocated resource the resource being in the space domain, e.g. beams

Abstract

A base station apparatus and method of transmission of dynamic feedback channel information in a MIMO system. The base station apparatus includes a first channel state information receiving unit (210) to receive a first channel state information; a receiving terminal selection unit (220) to select at least one receiving terminal to receive data from among a plurality of terminals; a quantization length determination unit (230) to independently determine a second quantization length of the selected receiving terminal; a quantization length transmission unit (240) to transmit the second quantization length to the selected e receiving terminal; a second channel state information receiving unit (250) to receive second channel state information from the selected receiving terminal; and a data transmission unit (260) to transmit data to the selected receiving terminal using a plurality of transmission antennas of a base station based on the second channel state information.
PCT/KR2009/002148 2008-10-13 2009-04-24 Apparatus and method for transmission of dynamic feedback channel information in a mimo system WO2010044522A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR10-2008-0100077 2008-10-13
KR1020080100077A KR101430981B1 (en) 2008-10-13 2008-10-13 Apparatus and method for dynamic feeding back channel information in mimo system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011530925A JP5422837B2 (en) 2008-10-13 2009-04-24 Dynamic feedback channel information transmitting apparatus and method in MIMO system
EP09820672.5A EP2340619B1 (en) 2008-10-13 2009-04-24 Apparatus and method for transmission of dynamic feedback channel information in a mimo system

Publications (2)

Publication Number Publication Date
WO2010044522A2 WO2010044522A2 (en) 2010-04-22
WO2010044522A3 true WO2010044522A3 (en) 2012-10-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/002148 WO2010044522A2 (en) 2008-10-13 2009-04-24 Apparatus and method for transmission of dynamic feedback channel information in a mimo system

Country Status (5)

Country Link
US (1) US8380212B2 (en)
EP (1) EP2340619B1 (en)
JP (1) JP5422837B2 (en)
KR (1) KR101430981B1 (en)
WO (1) WO2010044522A2 (en)

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Also Published As

Publication number Publication date
JP2012514877A (en) 2012-06-28
EP2340619A4 (en) 2016-05-18
EP2340619B1 (en) 2017-07-12
EP2340619A2 (en) 2011-07-06
US8380212B2 (en) 2013-02-19
KR101430981B1 (en) 2014-08-18
KR20100041081A (en) 2010-04-22
JP5422837B2 (en) 2014-02-19
US20100093361A1 (en) 2010-04-15
WO2010044522A2 (en) 2010-04-22

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